enhance logging message, fix default

src/chat/knowledge/knowledge_lib.py

@@ -83,7 +83,7 @@ _initialize_knowledge_local_storage()
 
 # 检查LPMM知识库是否启用
 if bot_global_config.lpmm_knowledge.enable:
-    logger.info("正在初始化Mai-LPMM\n")
+    logger.info("正在初始化Mai-LPMM")
     logger.info("创建LLM客户端")
     llm_client_list = dict()
     for key in global_config["llm_providers"]:

src/chat/memory_system/Hippocampus.py

@@ -1671,7 +1671,8 @@ class HippocampusManager:
         node_count = len(memory_graph.nodes())
         edge_count = len(memory_graph.edges())
 
-        logger.info(f"""--------------------------------
+        logger.info(f"""
+                    --------------------------------
                     记忆系统参数配置:
                     构建间隔: {global_config.memory.memory_build_interval}秒|样本数: {global_config.memory.memory_build_sample_num},长度: {global_config.memory.memory_build_sample_length}|压缩率: {global_config.memory.memory_compress_rate}
                     记忆构建分布: {global_config.memory.memory_build_distribution}

src/plugins/built_in/core_actions/plugin.py

@@ -175,7 +175,7 @@ class CoreActionsPlugin(BasePlugin):
     # 配置Schema定义
     config_schema = {
         "plugin": {
-            "enabled": ConfigField(type=bool, default=False, description="是否启用插件"),
+            "enabled": ConfigField(type=bool, default=True, description="是否启用插件"),
             "config_version": ConfigField(type=str, default="0.4.0", description="配置文件版本"),
         },
         "components": {